Some states award delegates to candidates on a winner-take-all basis, meaning that the candidate with the most votes in a state is awarded all of that state's delegates. Other states award delegates in proportion to each candidate's share of the primary vote.
Provocative angiography involves a full diagnostic angiogram followed by administration of intra-arterial procoagulant agents to identify an occult bleeding source in patients who have normal test results after lower gastrointestinal bleeding.
Nuchal scan. The nuchal translucency scan (also know as the nuchal fold test) is a measurement made during an ultrasound scan of the amount of fluid at the base of your baby's neck. It can indicate a higher risk of genetic abnormalities, particularly Down's syndrome.How to get a nuchal scan.creening tests cannot be 100% accurate and, according to NHS Choices, the nuchal translucency ultrasound scan has a false-positive rate of between 3.5% and 5%, which means that about 1 in 20 foetuses said to be in the high-risk category will not be high risk at all.